.ref-warp {
    position: relative;
    height: 100%;
    width: 100%;
    overflow: hidden;
}
.ref-warp .ref-move {
    position: absolute;
    height: 200%;
    top: -100%;
    left: 0;
    background-color: #f2f2f2;
    width: 100%;
    overflow: hidden;
}
.ref-warp .ref-data {
    height: 50%;
    position: absolute;
    left: 0;
    top: 50%;
    background-color: #ffffff;
    width: 100%;
    overflow-y: auto;
    overflow-x:hidden;
}
.ref-top {
    position: absolute;
    bottom: 50%;
    width: 100%;
}
.top-tip {
    padding-bottom: 0.2rem;
    text-align: center;
}